2004年9月29日, 台風21号に伴って発生した三重県宮川村の土砂災害 (速報)

書誌事項

タイトル別名
  • Sediment related disasters caused by typhoon Meani (T 0421) in Miyagawa village, Mie prefecture on September 29, 2004 (prompt report)
  • 2004ネン 9ガツ 29ニチ タイフウ 21ゴウ ニ トモナッテ ハッセイ シタ ミエケン ミヤガワムラ ノ ドシャ サイガイ ソクホウ

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抄録

Several slope failures and debris flows occurred on September 29, 2004 in Miyagawa village, Mie prefecture. The geological background around Miyagawa village consists of metamorphic rocks of Sambagawa belt and sedimentary rocks of Chichibu belt, and the bedrocks near the surface were strongly weathered. The heavy rainfalls caused by the typhoon Mean (T 0421) triggered these sediment disasters. Cumulative rainfalls at several rain gauges in Miyagawa village were about 600-700mm, and hourly rainfalls were about 100-125mm/h around 8: 00 to 10: 00 a.m. Cumulative rainfall in Miyama town located at southern side of Miyagawa village exceeded 1, 000mm and the maximum hourly rainfall reached to 150mm/h (8: 00-9: 00 a.m.). Therefore, many slope failures and debris flows occurred from 8: 00 to 12: 00 a.m. As a result of these heavy rainfalls, six deaths and one missing person were recorded and 44 houses or sheds were completely broken or lost.

収録刊行物

  • 砂防学会誌

    砂防学会誌 57 (4), 48-55_1, 2004

    Japan Society of Erosion Control Engineering

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